Sometimes other strains of the virus spread more than expected.

因为有时候意料之外的流感种类会流行开来。

And that does put a strain on immigration enforcement.

这给移民执法造成了压力。

Such an attempt only aggravates the strain of mental effort.

这种愿望只能加剧精神紧张。

They put such strains on a team.

她们给团队带来压力。

I realize there are different strains of Ebola.

我发现埃博拉病毒也有很多种类。

The issue has previously strained bilateral relations.

该问题之前曾一度让双边关系紧张。

I stuff the garbage bags until the plastic strains.

我把东西往垃圾袋里塞，直到塑料袋快要被撑破了。

It can cause financial strains in the world financial markets.

可能导致全球金融市场出现紧张的局势。

Hartuv says the uncertainty places many strains on a family.

哈特威表示不确定性为一个家庭造成许多压力。

How do we deal with the rapidly changing COVID-19 strains?

问题 9：我们如何应对快速变化的新冠毒株？

But there are some strains that can get you sick.

但是有些菌株会让你生病。

E coli O157H7 is a particularly dangerous strain of e coli.

大肠杆菌0157H7是极为危险的一种大肠杆菌菌株。

Supplements today, though, contain only a few strains, so their helpfulness is limited.

但是，今天的补充剂仅包含一些菌株，所以他们的益处是有限的。

There are a couple other strains circulating. H3N2 seasons tend to be more severe.

此外流行的还有两种毒株。H3N2流感季往往更严重。

It's the rare, pathogenic strains that can cause bloody diarrhea, kidney disease, or death.

导致出血性腹泻、肾病或死亡的是极少数致病株。

It's a complicated process isolating individual strains that thrive on the right kind of filth.

将在合适的污秽中繁殖的个体菌株隔离是一个复杂的过程。

He said the new strain " moves fast and is becoming the" stronger strain.

他表示，新毒株" 移动迅速，且正在成为" 更强的毒株。

That must have caused quite a strain in your relationship.

这肯定让你们的关系很紧张。

What are you looking at? To what goal are you straining?

你想要什么？要达到什么目标？

They probably put a little extra strain on women in the workplace.

人们可能给职场妈妈压力大了点。